@media all and (orientation : portrait){ /*竖屏*/

	#container{
		width: 95%;
	}

	#classify{
		width: 100%;
	}

	#article{
		width: 100%;
	}
}

@media all and (orientation : landscape){ /*横屏*/

	#container{
		width: 90%;
	}

	#classify{
		position: fixed;
		top: 100px;
	}

	#article{
		float: right;
	}
}

@media all{

	#navbar{
		position: static;
		width: 100%;
		top: 0;
		z-index: 50;
		transition: all 2s;
	}

	.centertext{
		text-align: center;
	}

	.articlecontainer{
		white-space: pre-wrap;
	}

	.articlecontainer img{
		margin-left: auto;
		margin-right: auto;
		display: block;
		max-width: 80%;
	}

	.media-body p{
		word-wrap: break-word;
	}

	.media{
		cursor: pointer;
	}

	#pageselect{
		text-align: center;
	}

	#goToTop{
		position: fixed;
		bottom: 30px;
		right: 30px;
	}

	footer{
		text-align: center;
	}
}